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2026-08-07 - 14:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri Aug 07, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2284212867,7sleep30-21swapper/307:06:483
2530212463,8sleep00-21swapper/007:09:570
25162118106,7sleep20-21swapper/207:09:472
22972112102,7sleep10-21swapper/107:06:571
162952670,0sleep00-21swapper/009:10:180
73962600,0sleep30-21swapper/307:40:113
197362570,0sleep20-21swapper/210:50:192
70752560,0sleep30-21swapper/311:14:513
194742550,1sleep30-21swapper/309:11:223
177252550,1sleep20-21swapper/212:30:162
255192540,0sleep00-21swapper/011:21:210
64842470,1sleep2270199cyclictest10:16:182
269799310,8cyclictest0-21swapper/112:22:571
270199291,27cyclictest0-21swapper/208:32:082
270199280,27cyclictest0-21swapper/209:53:212
269799280,27cyclictest0-21swapper/109:49:331
2701992723,3cyclictest0-21swapper/211:21:252
270199270,26cyclictest0-21swapper/210:30:482
270199270,26cyclictest0-21swapper/209:55:482
270199270,26cyclictest0-21swapper/209:13:142
270199270,26cyclictest0-21swapper/208:41:162
269799271,19cyclictest0-21swapper/110:04:541
269799270,26cyclictest0-21swapper/112:33:151
269799270,26cyclictest0-21swapper/108:57:501
269799270,26cyclictest0-21swapper/108:49:531
269799270,26cyclictest0-21swapper/108:27:041
269799270,26cyclictest0-21swapper/107:49:241
864122622,3sleep30-21swapper/308:06:273
79822622,2sleep30-21swapper/307:32:433
270199260,25cyclictest0-21swapper/211:04:222
270199260,25cyclictest0-21swapper/210:59:512
269799260,25cyclictest0-21swapper/112:05:321
269799260,25cyclictest0-21swapper/111:16:491
269799260,25cyclictest0-21swapper/110:18:201
269799260,25cyclictest0-21swapper/109:04:011
269399260,25cyclictest0-21swapper/008:02:390
3143122519,3sleep30-21swapper/311:39:193
2701992522,2cyclictest0-21swapper/210:06:142
270199250,24cyclictest0-21swapper/212:11:232
270199250,24cyclictest0-21swapper/211:25:102
270199250,24cyclictest0-21swapper/209:23:302
270199250,24cyclictest0-21swapper/209:17:342
269799254,2cyclictest27507-21basename09:45:001
269799253,4cyclictest6390-21/usr/sbin/munin11:00:151
269799250,24cyclictest0-21swapper/112:02:271
269799250,24cyclictest0-21swapper/110:24:211
269799250,24cyclictest0-21swapper/109:22:201
269799250,24cyclictest0-21swapper/108:37:041
2693992521,3cyclictest0-21swapper/011:47:410
269399250,19cyclictest0-21swapper/007:20:250
2575722522,2sleep30-21swapper/308:23:263
829122421,2sleep30-21swapper/307:11:083
274322421,2sleep30-21swapper/308:02:023
2701992422,2cyclictest0-21swapper/210:25:572
270199242,21cyclictest0-21swapper/209:28:002
2701992418,6cyclictest0-21swapper/208:16:192
270199240,23cyclictest0-21swapper/212:37:002
270199240,23cyclictest0-21swapper/211:11:402
270199240,23cyclictest0-21swapper/207:39:182
270199240,19cyclictest0-21swapper/208:20:202
270199240,18cyclictest0-21swapper/211:48:402
269799243,19cyclictest26842-21ssh11:09:001
269799241,22cyclictest0-21swapper/111:41:531
269799240,2cyclictest0-21swapper/111:24:401
269799240,23cyclictest0-21swapper/110:36:441
269799240,23cyclictest0-21swapper/109:36:411
269799240,18cyclictest0-21swapper/110:09:261
2693992415,8cyclictest0-21swapper/010:42:590
269399240,23cyclictest0-21swapper/011:15:580
269399240,23cyclictest0-21swapper/011:11:290
2764522319,3sleep30-21swapper/307:28:023
270199237,15cyclictest0-21swapper/211:15:202
270199237,14cyclictest0-21swapper/209:00:252
270199233,19cyclictest0-21swapper/211:30:022
270199230,2cyclictest0-21swapper/207:30:122
270199230,22cyclictest0-21swapper/212:15:422
270199230,22cyclictest0-21swapper/212:00:392
270199230,22cyclictest0-21swapper/210:46:262
270199230,22cyclictest0-21swapper/210:13:312
269799237,15cyclictest0-21swapper/110:31:251
269799233,16cyclictest31866-21ssh09:17:131
269799231,21cyclictest0-21swapper/111:56:441
269799231,21cyclictest0-21swapper/109:32:541
269799231,16cyclictest0-21swapper/111:47:451
269799231,14cyclictest0-21swapper/111:50:181
2697992310,11cyclictest12099-21kworker/1:009:10:451
269799230,4cyclictest0-21swapper/110:54:221
269799230,22cyclictest0-21swapper/112:29:271
269799230,22cyclictest0-21swapper/111:32:271
269799230,22cyclictest0-21swapper/110:55:481
269799230,22cyclictest0-21swapper/109:59:011
269799230,17cyclictest0-21swapper/110:26:461
269399233,19cyclictest0-21swapper/012:05:250
269399230,22cyclictest0-21swapper/012:15:130
269399230,22cyclictest0-21swapper/011:56:340
269399230,22cyclictest0-21swapper/011:53:100
269399230,22cyclictest0-21swapper/010:36:530
269399230,22cyclictest0-21swapper/010:32:460
270199223,18cyclictest0-21swapper/211:40:492
270199222,19cyclictest0-21swapper/210:35:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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